Home / 1,415,246.80-2,122,999.80-573,624.40

Finding the Fourth Proportional to 1,415,246.80, 2,122,999.80 and 573,624.40

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Solution

The fourth proportional to 1,415,246.80, 2,122,999.80 and 573,624.40 is: 860,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,246.80 : 2,122,999.80 = 573,624.40 : x
  2. Step 2: Convert to fraction form
    1,415,246.80/2,122,999.80 = 573,624.40/x
  3. Step 3: Cross multiply
    1,415,246.80x = 2,122,999.80 × 573,624.40
  4. Step 4: Simplify right side
    1,415,246.80x = 1,217,804,486,475.12
  5. Step 5: Solve for x
    x = 1,217,804,486,475.12/1,415,246.80
  6. Step 6: Final answer
    x = 860,489.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.